/* 一级菜单居中 */
#nav .menus_items {
    position: absolute !important;
    width: fit-content !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
}
/* 子菜单横向展示 */
#nav .menus_items .menus_item:hover .menus_item_child {
    display: flex !important;
}
/* 这里的2是代表导航栏的第2个元素，即有子菜单的元素，可以按自己需求修改 */
.menus_items .menus_item:nth-child(2) .menus_item_child {
    left: -125px;
}


